Aluminium coils for rerolling into bare finstock
1. Application: coming aluminium coils is suitable for rerolling into aluminium finstok whose thickness from 0.080-0.20mm
2. ALLOY,TEMPER,GAUGE AND WIDTH
Alloy | Temper
| size(MM) | |||
thickness | width | ||||
1100,8011,3102 8006 | H18,H16 | 0.2—0.38mm | ≤1900 | ||
most welcom alloy currently is AA8011/3102, While AA1100/8006 is usually for export |
3, thickness tolerance
thickness(mm) | Tolerance(mm) |
> 0.20-0.38 | ±0.010mm |
4. Width tolerance
width(mm) | tolerance(mm) |
≤500 | +1.0,-0.5 |
> 500 | ±1.0 |
5. spool tolerance
width(mm) | tolerance |
≤1900 | +2.0mm,0 |
6. Telescopicity and layer
Telescopicy 5mm
Layer: 0.5mm
7. Mechnical propertiesPHYSICAL PROPERTY:
Alloy | Temper | thickness(mm) | U.T.S(MPA) | Elogation 50mm Intevsl (%) | CUP I.E,(mm) |
8011 3102
| |||||
H18/H16 | 0.2-0.38 | ≥160 | ≥10 | ≥6.5 |
7. Surfcae requirements
Surface shall be very flat and without oil stain, scrach, while and black lines, roll markes, cossosion etc which feect further
rolling.
8. Packing: wooden pallets eye to wall or eye to sky at buyer's option